Electric Motors
| Frame | L447/9T |
|---|---|
| Output | 300 HP (220 kW) |
| Number of Poles | 6 |
| Frequency | 60 Hz |
| Rated speed | 1190 rpm |
| Slip | 0.83 % |
| Rated voltage | 460 V |
| Rated current | 351 A |
| L. R. Amperes | 2352 A |
| LRC | 6.7x(Code G) |
| No load current | 130 A |
| Rated torque | 1320 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 250 % |
| Locked rotor time | 32s (cold) 18s (hot) |
|---|---|
| Design | B |
| Insulation Class | F |
| Service factor | 1.15 |
| Temperature rise | 80 K |
| Duty Cycle | Cont.(S1) |
| Starting Method | Direct On Line |
| Ambient temperature | -20°C to +40°C |
| Altitude | 1000 m.a.s.l. |
| Degree of Protection | IP55 |
| Enclosure | IC411 - TEFC |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Approx. weight³ | 3574 lb |
(1) Looking the motor from the shaft end.; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
|
95.0 |
95.8 |
95.8 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
|
0.69 |
0.78 |
0.82 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Constant Resin Flow |
| Regreasing System | Extended in Stainless Steel, at Drive end and Non-drive end |
| Main terminal box hole | 2xNPT 3" |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Type T, Threaded |
| Shaft Material | SAE 4140 Carbon Steel |
| Painting | RAL 5009 202E (ISO 12944 - C4) |
| Grounding Lugs | Double |
| Fan Cover material | Cast Iron |
| Tropicalized Painting | According to IEEE-841 (96h) |
| Joints Seal | Molykote |
| Foot flatness | (0.005 pol) 0.127 mm |
| Fan material | Bronze |
| Bearing cap | Yes- Bearing Cap |
| Bolt Material | Carbon Steel |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 3 |
Bearing details
| Drive End | Non Drive End | |
|---|---|---|
| Bearing type | 6322 C3 | 6319 C3 |
| Sealing | Inpro/Seal | Inpro/Seal |
| Lubrication interval | 11000 h | 13000 h |
| Lubricant amount | 60 g | 45 g |
| Grease Type | Mobil Polyrex EM | |
Foundation loads
| Max. traction | Max. compression |
|---|---|
| 7036 lb | 10610 lb |
Product title
Vendor
$19.99 USD | $24.99 USD
Product title
Vendor
$19.99 USD | $24.99 USD
Product title
Vendor
$19.99 USD | $24.99 USD
Product title
Vendor